RFR: 8350835: C2 SuperWord: assert/wrong result when using Float.float16ToFloat with byte instead of short input

Fri Mar 7 05:27:51 UTC 2025

On Fri, 7 Mar 2025 01:56:49 GMT, Sandhya Viswanathan <sviswanathan at openjdk.org> wrote:

> Float.float16ToFloat generates wrong vectorized code in product build and asserts in fastdebug/debug when argument is of type byte, int, or long array. The short term solution is to not auto vectorize in these cases.
> 
> Review comments are welcome.
> 
> Best Regards,
> Sandhya

Good.

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Marked as reviewed by kvn (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/23939#pullrequestreview-2666268567